Java Code Examples for org.apache.hadoop.hdfs.server.namenode.INodeDirectory#valueOf()

The following examples show how to use org.apache.hadoop.hdfs.server.namenode.INodeDirectory#valueOf() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: SnapshotManager.java    From hadoop with Apache License 2.0 6 votes vote down vote up 
/**
 * Set the given directory as a snapshottable directory.
 * If the path is already a snapshottable directory, update the quota.
 */
public void setSnapshottable(final String path, boolean checkNestedSnapshottable)
    throws IOException {
  final INodesInPath iip = fsdir.getINodesInPath4Write(path);
  final INodeDirectory d = INodeDirectory.valueOf(iip.getLastINode(), path);
  if (checkNestedSnapshottable) {
    checkNestedSnapshottable(d, path);
  }

  if (d.isSnapshottable()) {
    //The directory is already a snapshottable directory.
    d.setSnapshotQuota(DirectorySnapshottableFeature.SNAPSHOT_LIMIT);
  } else {
    d.addSnapshottableFeature();
  }
  addSnapshottable(d);
}
Example 2
Source File: SnapshotManager.java    From hadoop with Apache License 2.0 6 votes vote down vote up 
/**
 * Set the given snapshottable directory to non-snapshottable.
 * 
 * @throws SnapshotException if there are snapshots in the directory.
 */
public void resetSnapshottable(final String path) throws IOException {
  final INodesInPath iip = fsdir.getINodesInPath4Write(path);
  final INodeDirectory d = INodeDirectory.valueOf(iip.getLastINode(), path);
  DirectorySnapshottableFeature sf = d.getDirectorySnapshottableFeature();
  if (sf == null) {
    // the directory is already non-snapshottable
    return;
  }
  if (sf.getNumSnapshots() > 0) {
    throw new SnapshotException("The directory " + path + " has snapshot(s). "
        + "Please redo the operation after removing all the snapshots.");
  }

  if (d == fsdir.getRoot()) {
    d.setSnapshotQuota(0);
  } else {
    d.removeSnapshottableFeature();
  }
  removeSnapshottable(d);
}
Example 3
Source File: TestSetQuotaWithSnapshot.java    From hadoop with Apache License 2.0 6 votes vote down vote up 
@Test (timeout=60000)
public void testSetQuota() throws Exception {
  final Path dir = new Path("/TestSnapshot");
  hdfs.mkdirs(dir);
  // allow snapshot on dir and create snapshot s1
  SnapshotTestHelper.createSnapshot(hdfs, dir, "s1");
  
  Path sub = new Path(dir, "sub");
  hdfs.mkdirs(sub);
  Path fileInSub = new Path(sub, "file");
  DFSTestUtil.createFile(hdfs, fileInSub, BLOCKSIZE, REPLICATION, seed);
  INodeDirectory subNode = INodeDirectory.valueOf(
      fsdir.getINode(sub.toString()), sub);
  // subNode should be a INodeDirectory, but not an INodeDirectoryWithSnapshot
  assertFalse(subNode.isWithSnapshot());
  
  hdfs.setQuota(sub, Long.MAX_VALUE - 1, Long.MAX_VALUE - 1);
  subNode = INodeDirectory.valueOf(fsdir.getINode(sub.toString()), sub);
  assertTrue(subNode.isQuotaSet());
  assertFalse(subNode.isWithSnapshot());
}
Example 4
Source File: SnapshotManager.java    From big-c with Apache License 2.0 6 votes vote down vote up 
/**
 * Set the given directory as a snapshottable directory.
 * If the path is already a snapshottable directory, update the quota.
 */
public void setSnapshottable(final String path, boolean checkNestedSnapshottable)
    throws IOException {
  final INodesInPath iip = fsdir.getINodesInPath4Write(path);
  final INodeDirectory d = INodeDirectory.valueOf(iip.getLastINode(), path);
  if (checkNestedSnapshottable) {
    checkNestedSnapshottable(d, path);
  }

  if (d.isSnapshottable()) {
    //The directory is already a snapshottable directory.
    d.setSnapshotQuota(DirectorySnapshottableFeature.SNAPSHOT_LIMIT);
  } else {
    d.addSnapshottableFeature();
  }
  addSnapshottable(d);
}
Example 5
Source File: SnapshotManager.java    From big-c with Apache License 2.0 6 votes vote down vote up 
/**
 * Set the given snapshottable directory to non-snapshottable.
 * 
 * @throws SnapshotException if there are snapshots in the directory.
 */
public void resetSnapshottable(final String path) throws IOException {
  final INodesInPath iip = fsdir.getINodesInPath4Write(path);
  final INodeDirectory d = INodeDirectory.valueOf(iip.getLastINode(), path);
  DirectorySnapshottableFeature sf = d.getDirectorySnapshottableFeature();
  if (sf == null) {
    // the directory is already non-snapshottable
    return;
  }
  if (sf.getNumSnapshots() > 0) {
    throw new SnapshotException("The directory " + path + " has snapshot(s). "
        + "Please redo the operation after removing all the snapshots.");
  }

  if (d == fsdir.getRoot()) {
    d.setSnapshotQuota(0);
  } else {
    d.removeSnapshottableFeature();
  }
  removeSnapshottable(d);
}
Example 6
Source File: TestSetQuotaWithSnapshot.java    From big-c with Apache License 2.0 6 votes vote down vote up 
@Test (timeout=60000)
public void testSetQuota() throws Exception {
  final Path dir = new Path("/TestSnapshot");
  hdfs.mkdirs(dir);
  // allow snapshot on dir and create snapshot s1
  SnapshotTestHelper.createSnapshot(hdfs, dir, "s1");
  
  Path sub = new Path(dir, "sub");
  hdfs.mkdirs(sub);
  Path fileInSub = new Path(sub, "file");
  DFSTestUtil.createFile(hdfs, fileInSub, BLOCKSIZE, REPLICATION, seed);
  INodeDirectory subNode = INodeDirectory.valueOf(
      fsdir.getINode(sub.toString()), sub);
  // subNode should be a INodeDirectory, but not an INodeDirectoryWithSnapshot
  assertFalse(subNode.isWithSnapshot());
  
  hdfs.setQuota(sub, Long.MAX_VALUE - 1, Long.MAX_VALUE - 1);
  subNode = INodeDirectory.valueOf(fsdir.getINode(sub.toString()), sub);
  assertTrue(subNode.isQuotaSet());
  assertFalse(subNode.isWithSnapshot());
}
Example 7
Source File: SnapshotManager.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
/**
* Find the source root directory where the snapshot will be taken
* for a given path.
*
* @return Snapshottable directory.
* @throws IOException
*           Throw IOException when the given path does not lead to an
*           existing snapshottable directory.
*/
public INodeDirectory getSnapshottableRoot(final INodesInPath iip)
    throws IOException {
  final String path = iip.getPath();
  final INodeDirectory dir = INodeDirectory.valueOf(iip.getLastINode(), path);
  if (!dir.isSnapshottable()) {
    throw new SnapshotException(
        "Directory is not a snapshottable directory: " + path);
  }
  return dir;
}
Example 8
Source File: SnapshotManager.java    From big-c with Apache License 2.0 5 votes vote down vote up 
/**
* Find the source root directory where the snapshot will be taken
* for a given path.
*
* @return Snapshottable directory.
* @throws IOException
*           Throw IOException when the given path does not lead to an
*           existing snapshottable directory.
*/
public INodeDirectory getSnapshottableRoot(final INodesInPath iip)
    throws IOException {
  final String path = iip.getPath();
  final INodeDirectory dir = INodeDirectory.valueOf(iip.getLastINode(), path);
  if (!dir.isSnapshottable()) {
    throw new SnapshotException(
        "Directory is not a snapshottable directory: " + path);
  }
  return dir;
}
Example 9
Source File: TestSnapshotDeletion.java    From hadoop with Apache License 2.0 4 votes vote down vote up 
private static INodeDirectory getDir(final FSDirectory fsdir, final Path dir)
    throws IOException {
  final String dirStr = dir.toString();
  return INodeDirectory.valueOf(fsdir.getINode(dirStr), dirStr);
}
Example 10
Source File: TestSnapshotDeletion.java    From big-c with Apache License 2.0 4 votes vote down vote up 
private static INodeDirectory getDir(final FSDirectory fsdir, final Path dir)
    throws IOException {
  final String dirStr = dir.toString();
  return INodeDirectory.valueOf(fsdir.getINode(dirStr), dirStr);
}